The only animals living on land were invertebrates. But enormous fungi towered over the landscape. Prototaxites were megafungi that could be up to eight metres in height. For over a hundred years ...

There are over 800 species of hermit crabs worldwide, and almost all are ocean dwellers—though people are likely most familiar with the dozen semi-terrestrial species, called land hermit crabs ...

A look at the strongest, biggest, most numerous, and just weirdest dental situations on the planet.

Experiments in bees, crabs, and octopuses show that some invertebrate animals can learn from painful experiences ... But when they saw the green target, they took significantly longer to land on that ...

With over 20 quintillion animals on planet Earth, there is always something new to learn about and explore. Let's start with ...

Animals without a backbone are called invertebrates. Vertebrates and invertebrates ... They have claws or nails on their toes and lay eggs on land. Some reptiles have four legs, while others ...

Study finds that birds-of-paradise are biofluorescent, suggesting that this "hidden" phenomenon provides enhanced signaling for hierarchy and courtship.